Dye mixtures comprising at least one dye of formula together with at least one dye of formula wherein the radicals indicated in the formulae are defined in accordance with the claims, are suitable for dyeing or printing cellulosic fibre materials with good build-up behaviour and yield dyeings of a deep shade having good fastness properties.

Mixtures of reactive dyes and their use

The present invention relates to dye mixtures which comprise at least one dye of the formula (I), at least one dye of the formula (II) and optionally at least one dye of the formula (III) and/or optionally at least one dye of the formula (IV) in which D 1 to D 7 , R 201 to R 203 , R 0 , R* and R**, T, M, v and f are as defined in claim 1 , to dyes of the formula (II), to processes for their preparation, and to their use for dyeing and printing hydroxyl- and carboxamido-containing materials.

Azo reactive dyes and mixtures of fiber-reactive azo dyes, their preparation and their use

The present invention provides a coloring composition which affords colored images and colored materials excellent in water resistance and fastness using a novel azo compound having an excellent water resistance and a sufficient fastness to light, heat, humidity, and active gases in the environment as a black dye, and an inkjet recording ink composition and an inkjet recording method capable of forming images excellent in the above characteristic properties. A coloring composition containing a dis-azo compound or poly-azo compound which contains two or more substituents having a pKa value in water of -10 to 5 and which has an oxidation potential more positive than 0.8 v (vs SCE), and an inkjet recording ink composition containing the coloring composition and an inkjet recording method wherein an image is formed on an image-receiving material containing a support having provided thereon an ink receiving layer containing a white inorganic pigment particle, using the inkjet recording ink composition.

Coloring composition and inkjet recording method

Reactive dye mixtures which comprise one or more dyes of the indicated general formula (I) and one or more dyes of the hereinbelow indicated and defined general formula (II) where D1, D2, D3, R0, R*, R**, T, b, f, v and M are each as defined in claim 1, the dyes of the general formulae (I) and (II) containing at least one fiber-reactive group of the formula —SO2-Z or -Z2, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing fiber material.

Dye mixtures of fiber-reactive AZO dyes, their preparation and their use

The invention relates to dye mixtures, comprising one or more dyes of the following general formula (I), one or more dyes of the following general formula (II), one or more dyes of the following general formula (III) and, optionally, one or more dyes of the following general formula (IV) in which D, D1, D2, D3, D4, D5, R0, R200, R201, R*. R**,T, b, f, v and M have the meanings given in claim 1, whereby the dyes of general formulae (I) - (IV) contain at least one fibre-reactive group of formula -SO2-Z or -Z2, the production and use thereof for the dyeing and printing of fibre materials containing hydroxyl and/or carboxamide groups.

Dye mixtures of fibre-reactive azo dyes production and use thereof

The invention relates to reactive dye mixtures that contain one of more dyes of the general formula (I), one or more dyes of the general formula (II) and optionally one of more dyes of the general formula (III), wherein D1, D2, D3, D4, D5, R0, R*, R**, T, b, f, v and M are defined as in claim 1. The dyes of general formulae (I)-(III) comprise at least one fiber-reactive group of the formula -SO2-Z or -Z2. The invention also relates to the production of these dyes and to their use for dyeing hydroxy- and/or carbonamide-containing fiber materials.

Dye mixtures of fiber-reactive azo dyes, their production and use

Reactive azo dyes, preparation thereof and use thereof The present invention relates to reactive dyes of the general formula (1) where X 1 , X 2 , R, M, m and n are each as defined in claim 1, processes for their preparation and also their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.

Reactive azo dyes, method for the production and use thereof

Mixtures of fiber-reactive azo dyes, production thereof and use thereof Dye mixtures comprising a dye of the hereinbelow indicated and defined general formula (1) 
and a dye of the hereinbelow indicated and defined general formula (2) 
where M, m, D, Y 1 , R 1 ; R 2 , R 3 , R 4 and Z are each as defined in claim 1, their production and their use for dyeing and printing hydroxyl- and/or carboxamido-containing fibers

Mixtures of fiber-reactive azo dyes, production thereof and use thereof

Reactive dye mixtures comprise at least one dye selected from fiber reactive azo dye. Reactive dye mixtures comprise at least one dye selected from fiber reactive azo dye. [Image] [Image] [Image] D 1>-D 4>a phenyl (tri-substituted by R 1>, R 2> and X 1>), a naphthyl group of (i), a group of formula (ii) or (iii); R 1>-R 6>,R 1> 3>-R 1> 8>hydrogen, 1-4C-alkyl, 1-4C-alkoxy, hydroxyl, sulfo, carboxyl, cyano, nitro, amido, ureido or halogen; X 1>-X 3>hydrogen or a group of formula -SO 2-Z; Z : -CH=CH 2, -CH 2CH 2Z 1> or hydroxyl; Z 1>hydroxyl or an alkali-detachable group; R 7>hydrogen, optionally substituted 1-4C-alkyl, 1-4C-alkoxy-, sulfo-, halogen- or carboxyl-substituted phenyl; Z 2>a group of the formula (ia) - (ic); V : fluorine or chlorine; U 1>,U 2>fluorine, chlorine or hydrogen; Q 1>,Q 2>chlorine, fluorine, cyanamido, hydroxyl, 1-6C-alkoxy, phenoxy, sulfophenoxy, mercapto, 1-6C-alkylmercapto, pyridino, carboxypyridino, carbamoylpyridino or a group of formula -N(R 8>)-W-SO 2Z or -N(R 9>)-R 1> 0>; R 8>-R 1> 0>hydrogen or 1-6C-alkyl, sulfo-1-6C-alkyl or phenyl (optionally substituted by 1-4C-alkyl, 1-4C-alkoxy, sulfo, halogen, carboxyl, acetamido, or ureido); R 9>+R 1> 0>a cyclic ring system of the formula -(CH 2) j-, -(CH 2) 2-E-(CH 2) 2-; j : 4 or 5; E : oxygen, sulfur, sulfonyl or -NR 1> 1>; R 1> 1>1-6C-alkyl; W : 1-4C-alkylenearylene or 2-6C-alkylene (both optionally interrupted by oxygen, sulfur, sulfonyl, amino, carbonyl, carboxamido), phenylene (optionally mono- or di-substituted by 1-4C-alkyl, 1-4C-alkoxy, carboxyl, sulfo, chlorine, bromine), phenylene-CONH-phenylene (optionally substituted by 1-4C-alkyl, 1-4C-alkoxy, hydroxyl, sulfo, carboxyl, amido, ureido or halogen) or naphthylene (optionally mono- or di-substituted by sulfo groups); R 1> 2>hydrogen, 1-4C-alkyl or optionally substituted aryl radical; A : a phenylene (di-substituted by R 1> 5>R 1> 6>), a group of formula (id), a polymethylene group of formula -(CR 1> 9>R 2> 0>) k-; k : greater than 1; R 1> 9>,R 2> 0>hydrogen, 1-4C-alkyl, 1-4C-alkoxy, hydroxyl, cyano, amido, halogen or aryl; R' : hydrogen or a group of the formula (ia) or (ib), -C(=O)R 2> 1>, a group of formula (ie); R 2> 1>1-6C-alkyl, sulfo-1-6C-alkyl, carboxy-1-6C-alkyl or phenyl (optionally substituted by 1-4C-alkyl, 1-4C-alkoxy, sulfo, halogen, carboxyl, acetamido, or ureido);X=halogen or hydroxyl; d : 0 or 1; R a,R bhydrogen, 1-4C-alkyl or -CH 2-SO 3M; b,f,v : 0 or 1; T : hydroxyl or NH 2; M : hydrogen, an alkali metal or one equivalent of an alkaline earth metal. Provided that v is 0 when T is NH 2. The dyes contain at least one fiber-reactive group of the formula -SO 2-Z or -Z 2>. Independent claims are included for the following: (a) preparation of the dye mixture involving either mechanically mixing the individuals dye of formulae (I), (II), (III) and (IV) and optionally (G) either in solid form or in the form an aqueous solutions in the mandated ratio; or diazotizing an amine of formula D 2>-NH 2 and subsequently reacting the diazonium compound with an aqueous solution or suspension of a mixture having a fixed ratio of a monoazo dye of formula (III) and of at least one coupler of formula (V) and optionally a monoazo dye of formula (VI); or diazotizing an amine of formula D 1>-NH 2 and coupling onto a mixture of in each case at least one coupling compound of formula (VII) and (V) and also optionally a compound of formula (VIII) and subsequently to form a mixture of the dyes of formula (I) and (II) and optionally a compound of formula (IX); (b) an aqueous liquid product comprising the dye mixture having a total dye content of 5 - 50 wt.%. [Image] [Image] R 3> 2>H or sulfomethyl.

Mixtures of azo reactive dyes, process for their preparation and the use thereof

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